Table 3.
I. basta Wavenumber/cm−1 | α-Chitin Wavenumber/cm−1 | β-Chitin (T. rotula) Wavenumber/cm−1 | Assignment |
---|---|---|---|
897 | 895 | 890 | CH deformation (o.o.p.), C1 axial (β bond) |
920* | 919 | CHX deformation (o.o.p.) | |
926 | |||
951 | 953 | 954 | |
973* | 976* | 971 | |
993* | C–O–C/C–O stretching | ||
1013* | 1012* | 1014* | |
1027 | 1028 | 1025 | |
1032* | |||
1041* | |||
1064 | |||
1071 | 1073 | 1078 | |
1103* | |||
1109 | |||
1115 | 1115 | ||
1122 | |||
1136 | |||
1159 | 1157 | 1154 | |
1204 | 1205 | 1202 | Amide III |
1230* | 1235 | 1237 | |
1246 | |||
1263 | 1261 | 1265 | |
1305* | |||
1310 | 1312 | 1312 | |
1330 | |||
1364* | CHX deformation | ||
1374 | |||
1378 | 1378 | 1379 | |
1415 | 1415 | 1420* | |
1430 | 1429 | 1432 | |
1456 | |||
1559 | 1558 | 1562 | Amide II |
1633* | 1630 | 1630 | Amide I |
1662 | 1660 | 1660* |
= shoulder, o.o.p. = out of plane.